define([
  './Matrix3-315394f6',
  './Check-666ab1a0',
  './defaultValue-0a909f67',
  './EllipseOutlineGeometry-017a5929',
  './Math-2dbd6b93',
  './Transforms-a05e5e6e',
  './Matrix2-13178034',
  './RuntimeError-06c93819',
  './combine-ca22a614',
  './ComponentDatatype-f7b11d02',
  './WebGLConstants-a8cc3e8c',
  './EllipseGeometryLibrary-855d4681',
  './GeometryAttribute-334718f8',
  './GeometryAttributes-f06a2792',
  './GeometryOffsetAttribute-04332ce7',
  './IndexDatatype-a55ceaa1'
], function (
  Matrix3,
  Check,
  defaultValue,
  EllipseOutlineGeometry,
  Math,
  Transforms,
  Matrix2,
  RuntimeError,
  combine,
  ComponentDatatype,
  WebGLConstants,
  EllipseGeometryLibrary,
  GeometryAttribute,
  GeometryAttributes,
  GeometryOffsetAttribute,
  IndexDatatype
) {
  'use strict'

  /**
   * A description of the outline of a circle on the ellipsoid.
   *
   * @alias CircleOutlineGeometry
   * @constructor
   *
   * @param {Object} options Object with the following properties:
   * @param {Cartesian3} options.center The circle's center point in the fixed frame.
   * @param {Number} options.radius The radius in meters.
   * @param {Ellipsoid} [options.ellipsoid=Ellipsoid.WGS84] The ellipsoid the circle will be on.
   * @param {Number} [options.height=0.0] The distance in meters between the circle and the ellipsoid surface.
   * @param {Number} [options.granularity=0.02] The angular distance between points on the circle in radians.
   * @param {Number} [options.extrudedHeight=0.0] The distance in meters between the circle's extruded face and the ellipsoid surface.
   * @param {Number} [options.numberOfVerticalLines=16] Number of lines to draw between the top and bottom of an extruded circle.
   *
   * @exception {DeveloperError} radius must be greater than zero.
   * @exception {DeveloperError} granularity must be greater than zero.
   *
   * @see CircleOutlineGeometry.createGeometry
   * @see Packable
   *
   * @example
   * // Create a circle.
   * const circle = new Cesium.CircleOutlineGeometry({
   *   center : Cesium.Cartesian3.fromDegrees(-75.59777, 40.03883),
   *   radius : 100000.0
   * });
   * const geometry = Cesium.CircleOutlineGeometry.createGeometry(circle);
   */
  function CircleOutlineGeometry(options) {
    options = defaultValue.defaultValue(options, defaultValue.defaultValue.EMPTY_OBJECT)
    const radius = options.radius

    //>>includeStart('debug', pragmas.debug);
    Check.Check.typeOf.number('radius', radius)
    //>>includeEnd('debug');

    const ellipseGeometryOptions = {
      center: options.center,
      semiMajorAxis: radius,
      semiMinorAxis: radius,
      ellipsoid: options.ellipsoid,
      height: options.height,
      extrudedHeight: options.extrudedHeight,
      granularity: options.granularity,
      numberOfVerticalLines: options.numberOfVerticalLines
    }
    this._ellipseGeometry = new EllipseOutlineGeometry.EllipseOutlineGeometry(ellipseGeometryOptions)
    this._workerName = 'createCircleOutlineGeometry'
  }

  /**
   * The number of elements used to pack the object into an array.
   * @type {Number}
   */
  CircleOutlineGeometry.packedLength = EllipseOutlineGeometry.EllipseOutlineGeometry.packedLength

  /**
   * Stores the provided instance into the provided array.
   *
   * @param {CircleOutlineGeometry} value The value to pack.
   * @param {Number[]} array The array to pack into.
   * @param {Number} [startingIndex=0] The index into the array at which to start packing the elements.
   *
   * @returns {Number[]} The array that was packed into
   */
  CircleOutlineGeometry.pack = function (value, array, startingIndex) {
    //>>includeStart('debug', pragmas.debug);
    Check.Check.typeOf.object('value', value)
    //>>includeEnd('debug');
    return EllipseOutlineGeometry.EllipseOutlineGeometry.pack(value._ellipseGeometry, array, startingIndex)
  }

  const scratchEllipseGeometry = new EllipseOutlineGeometry.EllipseOutlineGeometry({
    center: new Matrix3.Cartesian3(),
    semiMajorAxis: 1.0,
    semiMinorAxis: 1.0
  })
  const scratchOptions = {
    center: new Matrix3.Cartesian3(),
    radius: undefined,
    ellipsoid: Matrix3.Ellipsoid.clone(Matrix3.Ellipsoid.UNIT_SPHERE),
    height: undefined,
    extrudedHeight: undefined,
    granularity: undefined,
    numberOfVerticalLines: undefined,
    semiMajorAxis: undefined,
    semiMinorAxis: undefined
  }

  /**
   * Retrieves an instance from a packed array.
   *
   * @param {Number[]} array The packed array.
   * @param {Number} [startingIndex=0] The starting index of the element to be unpacked.
   * @param {CircleOutlineGeometry} [result] The object into which to store the result.
   * @returns {CircleOutlineGeometry} The modified result parameter or a new CircleOutlineGeometry instance if one was not provided.
   */
  CircleOutlineGeometry.unpack = function (array, startingIndex, result) {
    const ellipseGeometry = EllipseOutlineGeometry.EllipseOutlineGeometry.unpack(array, startingIndex, scratchEllipseGeometry)
    scratchOptions.center = Matrix3.Cartesian3.clone(ellipseGeometry._center, scratchOptions.center)
    scratchOptions.ellipsoid = Matrix3.Ellipsoid.clone(ellipseGeometry._ellipsoid, scratchOptions.ellipsoid)
    scratchOptions.height = ellipseGeometry._height
    scratchOptions.extrudedHeight = ellipseGeometry._extrudedHeight
    scratchOptions.granularity = ellipseGeometry._granularity
    scratchOptions.numberOfVerticalLines = ellipseGeometry._numberOfVerticalLines

    if (!defaultValue.defined(result)) {
      scratchOptions.radius = ellipseGeometry._semiMajorAxis
      return new CircleOutlineGeometry(scratchOptions)
    }

    scratchOptions.semiMajorAxis = ellipseGeometry._semiMajorAxis
    scratchOptions.semiMinorAxis = ellipseGeometry._semiMinorAxis
    result._ellipseGeometry = new EllipseOutlineGeometry.EllipseOutlineGeometry(scratchOptions)
    return result
  }

  /**
   * Computes the geometric representation of an outline of a circle on an ellipsoid, including its vertices, indices, and a bounding sphere.
   *
   * @param {CircleOutlineGeometry} circleGeometry A description of the circle.
   * @returns {Geometry|undefined} The computed vertices and indices.
   */
  CircleOutlineGeometry.createGeometry = function (circleGeometry) {
    return EllipseOutlineGeometry.EllipseOutlineGeometry.createGeometry(circleGeometry._ellipseGeometry)
  }

  function createCircleOutlineGeometry(circleGeometry, offset) {
    if (defaultValue.defined(offset)) {
      circleGeometry = CircleOutlineGeometry.unpack(circleGeometry, offset)
    }
    circleGeometry._ellipseGeometry._center = Matrix3.Cartesian3.clone(circleGeometry._ellipseGeometry._center)
    circleGeometry._ellipseGeometry._ellipsoid = Matrix3.Ellipsoid.clone(circleGeometry._ellipseGeometry._ellipsoid)
    return CircleOutlineGeometry.createGeometry(circleGeometry)
  }

  return createCircleOutlineGeometry
})
